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fix altitude bits

This commit is contained in:
Jakob Ketterl 2023-08-23 13:48:58 +02:00
parent f52b00f0af
commit 658ee00b0b
1 changed files with 2 additions and 2 deletions
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4
owrx/adsb/modes.py
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@ -12,7 +12,7 @@ FEET_PER_METER = 3.28084
class ModeSParser(PickleModule): class ModeSParser(PickleModule):
def process(self, input): def process(self, input):
format = (input[0] & 0b11111000) >> 3 format = (input[0] & 0b11111000) >> 3
message = { message = {
"mode": "ADSB", "mode": "ADSB",
"format": format "format": format
} }
@ -44,7 +44,7 @@ class ModeSParser(PickleModule):
elif type in range(9, 19): elif type in range(9, 19):
# airborne position (w/ baro altitude) # airborne position (w/ baro altitude)
q = (input[5] & 0b1) q = (input[5] & 0b1)
altitude = ((input[5] & 0b11111110) << 3) | ((input[6] & 0b1111) >> 4) altitude = ((input[5] & 0b11111110) << 3) | ((input[6] & 0b11110000) >> 4)
if q: if q:
message["altitude"] = altitude * 25 - 1000 message["altitude"] = altitude * 25 - 1000
else: else: